/* 轮播图样式 */
* {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

.banner {
    position: relative;
    overflow: hidden;
    width: 958px;
    height: 400px;
    background-color: 'red';
    margin: 100px auto;
}
 .hot{
    width: 600%;
}
.hot {
    position: absolute;
    top: 0;
    left: 0;
}
.hot li{
    float: left;
}
.arrow{
    display: none;
}
.arrow span {
    display: block;
    width: 50px;
    height: 100px;
    background: rgba(0, 0, 0, .6);
    color: #fff;
    text-align: center;
    font-size: 40px;
    line-height: 100px;
    cursor: pointer;
}

.arrow .prev {
    position: absolute;
    top: 50%;
    margin-top: -30px;
    left: 0;
    width: 40px;
    height: 60px;
    background-color: rgba(0, 0, 0, .3);
    text-align: center;
    line-height: 60px;
    color: #fff;
    text-decoration: none;
}

.arrow .next {
    position: absolute;
    top: 50%;
    margin-top: -30px;
    right: 0;
    width: 40px;
    height: 60px;
    background-color: rgba(0, 0, 0, .3);
    text-align: center;
    line-height: 60px;
    color: #fff;
    text-decoration: none;
}

.dot {
    position: absolute;
    bottom: 15px;
    left: 50%;
    margin-left: -35px;
    width: 70px;
    height: 13px;
    background: rgba(255, 255, 255, .3);
    border-radius: 7px;
    cursor: pointer;
}

.dot li {
     float: left; 
    width: 8px;
    height: 8px;
    background-color: #fff;
    border-radius: 50%;
    margin: 3px;
}
.dot .on{
    background: #65a018;
}